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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#808412 | #9810. Obliviate, Then Reincarnate | MiniLong# | WA | 2ms | 9932kb | C++20 | 3.6kb | 2024-12-10 20:39:55 | 2024-12-10 20:39:56 |
Judging History
answer
#include <bits/stdc++.h>
#define _rep(i, x, y) for(int i = x; i <= y; ++i)
#define _req(i, x, y) for(int i = x; i >= y; --i)
#define _rev(i, u) for(int i = head[u]; i; i = e[i].nxt)
#define pb push_back
#define fi first
#define se second
#define mst(f, i) memset(f, i, sizeof f)
using namespace std;
#ifdef ONLINE_JUDGE
#define debug(...) 0
#else
#define debug(...) fprintf(stderr, __VA_ARGS__), fflush(stderr)
#endif
typedef long long ll;
typedef pair<int, int> PII;
namespace fastio{
#ifdef ONLINE_JUDGE
char ibuf[1 << 20],*p1 = ibuf, *p2 = ibuf;
#define get() p1 == p2 && (p2 = (p1 = ibuf) + fread(ibuf, 1, 1 << 20, stdin), p1 == p2) ? EOF : *p1++
#else
#define get() getchar()
#endif
template<typename T> inline void read(T &t){
T x = 0, f = 1;
char c = getchar();
while(!isdigit(c)){
if(c == '-') f = -f;
c = getchar();
}
while(isdigit(c)) x = x * 10 + c - '0', c = getchar();
t = x * f;
}
template<typename T, typename ... Args> inline void read(T &t, Args&... args){
read(t);
read(args...);
}
template<typename T> void write(T t){
if(t < 0) putchar('-'), t = -t;
if(t >= 10) write(t / 10);
putchar(t % 10 + '0');
}
template<typename T, typename ... Args> void write(T t, Args... args){
write(t), putchar(' '), write(args...);
}
template<typename T> void writeln(T t){
write(t);
puts("");
}
template<typename T> void writes(T t){
write(t), putchar(' ');
}
#undef get
};
using namespace fastio;
#define multitest() int T; read(T); _rep(tCase, 1, T)
namespace Calculation{
const ll mod = 998244353;
ll ksm(ll p, ll h){ll base = p % mod, res = 1; while(h){if(h & 1ll) res = res * base % mod; base = base * base % mod, h >>= 1ll;} return res;}
void dec(ll &x, ll y){x = ((x - y) % mod + mod) % mod;}
void add(ll &x, ll y){x = (x + y) % mod;}
void mul(ll &x, ll y){x = x * y % mod;}
ll sub(ll x, ll y){return ((x - y) % mod + mod) % mod;}
ll pls(ll x, ll y){return ((x + y) % mod + mod) % mod;}
ll mult(ll x, ll y){return x * y % mod;}
}
using namespace Calculation;
const int N = 5e5 + 5;
int n, m, q, in[N];
bool vis[N], f[N], g[N];
vector<int> G[N], e[N];
int id, num, dfn[N], low[N], bel[N];
int top, st[N];
void tarjan(int u){
dfn[u] = low[u] = ++id, st[++top] = u, vis[u] = 1;
for(auto &v : G[u]){
if(!dfn[v]) tarjan(v), low[u] = min(low[u], low[v]);
else if(!vis[v]) low[u] = min(low[u], dfn[v]);
}
if(low[u] == dfn[u]){
num++;
int cnt = 0;
for(int x = 0; x != u; top--){
x = st[top], bel[x] = num, vis[x] = 0;
cnt++;
}
if(cnt > 1 || g[u]) f[num] = 1;
}
}
void init(){
_rep(i, 0, n - 1) if(!dfn[i]) tarjan(i);
_rep(i, 0, n - 1) for(auto &j : G[i]) if(bel[i] != bel[j]) e[bel[j]].pb(bel[i]), in[bel[i]]++;
queue<int> q;
_rep(i, 1, num) if(!in[i]) q.push(i);
while(q.size()){
int u = q.front(); q.pop();
for(auto &v : e[u]){
f[v] |= f[u];
if(!--in[v]) q.push(v);
}
}
}
int main(){
read(n, m, q);
_rep(i, 1, m){
int x, y; read(x, y);
if(!y) continue;
x = (x % n + n) % n, y %= n;
debug("(%d,%d)\n", x, y);
if(!y) g[x] = 1;
else G[x].pb((x + y) % n);
}
init();
while(q--){
int x; read(x);
x = (x % n + n) % n;
puts(f[bel[x]] ? "Yes" : "No");
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 9800kb
input:
3 2 3 1 1 -1 3 1 2 3
output:
Yes Yes No
result:
ok 3 tokens
Test #2:
score: 0
Accepted
time: 2ms
memory: 9756kb
input:
3 2 3 1 1 -1 0 1 2 3
output:
No No No
result:
ok 3 tokens
Test #3:
score: -100
Wrong Answer
time: 2ms
memory: 9932kb
input:
1 1 1 0 1000000000 -1000000000
output:
No
result:
wrong answer 1st words differ - expected: 'Yes', found: 'No'